capstone
Americannoun
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a finishing stone of a structure.
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the crowning achievement, point, element, or event.
noun
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one of a set of slabs on the top of a wall, building, etc
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mountaineering a chockstone occurring at the top of a gully or chimney
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a crowning achievement; peak
the capstone of his career
Other Word Forms
Noun Inflected Forms
Etymology
Origin of capstone
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“I’m proud to have played a small part in helping safeguard such a beloved institution that has enriched Los Angeles for decades,” says Brian Mikail of Capstone Equities, which rents the space to the troupe.
From Los Angeles Times • Apr. 13, 2026
“Put in $25, $50 — get something started,” Joseph Messinger, a financial planner and director of college planning at Capstone Wealth Partners, told MarketWatch.
From MarketWatch • Apr. 9, 2026
Capstone Copper, which owns the Mantoverde mine in Chile, rose 0.4% in after-hours trading Monday, a move that extended the stock’s six-month gain to around 73%.
From Barron's • Jan. 6, 2026
One negative is the performance at Pinto Valley, where Capstone had another challenging quarter, they say.
From The Wall Street Journal • Nov. 3, 2025
They had long talks on the deserted Capstone, while their wives sat reading in the Winter Garden and Mr. Pembroke kept an eye upon the tutored youths.
From The Longest Journey by Forster, E. M. (Edward Morgan)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
